.layout {
    .firstMenu {
        position: fixed;
        width: 100%;
        height: 50px;
        left: 0;
        bottom: 0;
        background-color: #fff;
        display: flex;
        justify-content: space-around;
        align-items: center;

        .menuItem {
            text-decoration: none;
            color: #333;
        }
    }
}

.alertBox {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: calc(100vh - 50px);
    background-color: rgba(0, 0, 0, 0.5);

    .alert {
        width: 100px;
        padding: 0 50px;
        background-color: #fff;
        left: 50%;
        transform: translateX(-50%);
        position: absolute;
    }
}

.menuBox {
    .menu {
        position: absolute;
        left: 0;
        top: 0;
        background-color: rgb(246, 246, 246);
        width: 100px;
        .menuItem {
            width: 100px;
            padding: 10px 0;
            text-align: center;
            &.active {
                background-color: red;
            }
        }
    }
    .goodsBox {
        position: absolute;
        left: 100px;
        width: calc(100vw - 100px);
        top: 0;
        background-color: #fff;
       
    }
}

.good {
    .han {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
}

.changeItem {
    display: inline-block;
    width: 30%;
    margin-right: 1%;
    .han {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
}